Surf Forecasts:
How big are the waves at Porth Ceriad today (30 Aug):
- Morning surf: Morning surf (30 Aug, local time) - 3ft (0.9m), 8s period with SW swell.
- Afternoon surf: Afternoon surf (30 Aug, local time) - 4.5ft (1.3m), 5s period with SW swell.
- Evening surf: Evening surf (30 Aug, local time) - 4.5ft (1.3m), 6s period with SW swell.
The current surf forecast for Porth Ceriad at 12AM is: 0.8m 9s primary swell from a Southwest direction and 0.1m 10s secondary swell from a Southwest direction (forecast issued at 06:00pm August 29). An open ocean swell of 0.4m 4s is not directed at the surf break. The wind direction is predicted to be cross-shore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (30 Aug) | 3ft (0.9m) | 8s |
| Afternoon (30 Aug) | 4.5ft (1.3m) | 5s |
| Evening (30 Aug) | 4.5ft (1.3m) | 6s |
Table - waves today at Porth Ceriad. (Swell directed towards the surf break)
Short Range ForecastModerate rain (total 13mm), heaviest on Sat afternoon. Very mild (max 17°C on Sun morning, min 14°C on Mon morning). Winds increasing (light winds from the WSW on Sat night, strong winds from the NW by Mon morning). | |||||||||||||||||||
Sat 29 | Sunday 30 | Monday 31 | |||||||||||||||||
4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | |
Swell Height Map |  |  |  |  |  |  |  | ||||||||||||
Wave Height (m) Direction Period (s) | SW 6 | SW 7 | SW 8 | SW 9 | SW 9 | SW 9 | SW 8 | SW 8 | SW 5 | SW 6 | SW 7 | SW 8 | SW 8 | SW 9 | SW 9 | WSW 9 | WSW 9 | WSW 9 | SW 8 |
Wave Graph  | |||||||||||||||||||
 kJ | 18 | 27 | 60 | 141 | 135 | 112 | 118 | 153 | 94 | 134 | 121 | 104 | 80 | 107 | 155 | 138 | 138 | 96 | 67 |
Wind (km/h) | |||||||||||||||||||
Wind State on-shore cross-onshore cross-shore cross-offshore off-shore glassy | off | cross-off | cross-off | cross-on | cross-on | on | on | on | on | cross-on | cross-on | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-on | cross |
High Tide | 9:56PM4.61m | 10:14AM4.29m | 10:31PM4.67m | 10:49AM4.33m | |||||||||||||||
Low Tide | 4:39PM0.34m | 5:06AM0.19m | 5:11PM0.35m | 5:39AM0.26m | 5:43PM0.44m | ||||||||||||||
 |  |  | | |  |  | | | |  |  | |  | | | | |  | |
 | — | — | — | — | 6:22 | — | — | — | — | — | — | — | 6:24 | — | — | — | — | — | — |
 | — | 8:14 | — | — | — | — | — | — | — | 8:12 | — | — | — | — | — | — | — | 8:09 | — |
mm | 3 | 1 | — | — | — | — | 1 | 1 | 3 | 1 | 2 | 1 | — | — | — | — | — | — | — |
Temp °C | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 15 | 16 | 17 |
Feels °C | 15 | 13 | 15 | 15 | 14 | 13 | 12 | 13 | 11 | 12 | 13 | 13 | 10 | 8 | 6 | 7 | 11 | 12 | 13 |
Swell 1 Height (m) Direction Period (s) | SW 6 | SW 7 | SW 8 | SW 9 | SW 9 | SW 9 | — | — | SW 9 | — | SW 7 | SW 8 | SW 8 | SW 9 | SW 9 | WSW 9 | WSW 9 | NW 5 | NW 5 |
| kJ | 18 | 27 | 60 | 141 | 135 | 112 | — | — | 19 | — | 121 | 104 | 80 | 107 | 155 | 138 | 138 | 20 | 11 |
Swell 2 Height (m) Direction Period (s) | SE 3 | — | SW 10 | — | NW 4 | NNW 3 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | 2 | — | 4 | — | 2 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
Swell 3 Height (m) Direction Period (s) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| kJ | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Wind waves Height (m) Direction Period (s) | — | NNW 2 | NW 3 | NW 4 | NW 3 | SW 3 | SW 8 | SW 8 | SW 5 | SW 6 | — | — | W 4 | WNW 5 | NW 6 | NW 6 | NW 5 | WSW 9 | SW 8 |
| kJ | — | 1 | 4 | 3 | 3 | 3 | 118 | 153 | 94 | 134 | — | — | 26 | 94 | 155 | 101 | 40 | 96 | 67 |
Nearest Offshore or Glassy | |||||||||||||||||||
Distance (km) | 126 | 200 | 0 | 3 | 70 | 70 | 319 | 312 | 312 | 262 | 60 | 3 | 443 | 253 | 494 | 373 | 3 | 267 | 141 |
Best forecast wave conditions in Lleyn Peninsula | |||||||||||||||||||
Best forecast wave conditions in United Kingdom | |||||||||||||||||||
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